SITRONICS’ 2011 Annual Financial Report

JSC SITRONICS (SITRONICS or the Company) (LSE: SITR), a leading provider of telecommunications, information technology and microelectronic solutions in Russia and the CIS, today announced that its 2011 Annual Financial Report, which includes the audited US GAAP financial statements for the financial year ended December 31, 2011, has been submitted to the FSA via the National Storage Mechanism and will shortly be available for inspection at: http://www.hemscott.com/nsm.do

On April 19, 2012, SITRONICS announced its consolidated US GAAP financial results for the fourth quarter and its audited results for the full year ended December 31, 2011.

SITRONICS is a leading provider of telecommunication solutions, including software, equipment and systems integration, IT solutions and microelectronic solutions in Russia and the Commonwealth of Independent States with a strong presence in Central and Eastern Europe and a growing presence in the Middle East and Africa.

SITRONICS serves over 3,500 clients, maintains offices in 30 countries and exports its products and services to more than 60 countries.

SITRONICS’ key Telecommunication Solutions operations are based in Moscow (Russia), Prague (Czech Republic) and Athens (Greece), while the company`s IT Solutions and Microelectronics divisions are based in Kiev (Ukraine) and Zelenograd (Russia), respectively.

SITRONICS generated revenues of US$ 1,475.1 million for the full year of 2011 and had US$ 1,863.2 million of assets at the year end. SITRONICS is majority owned by OJSC RTI, which is the subsidiary of Sistema, the largest public diversified corporation in Russia and the CIS.